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n. A procedure in which a small sample of amniotic fluid is drawn out of the uterus through a needle inserted in the abdomen. The fluid is then analyzed to detect genetic abnormalities in the fetus or to determine the sex of the fetus.

n. A procedure for obtaining amniotic fluid from a pregnant animal, by inserting a hollow needle through the abdominal wall and into the amniotic sac. Used in diagnosing possible genetic defects and/or obstetric complications.

n. (pregnancy) extraction by centesis of amniotic fluid from a pregnant woman (after the 15th week of pregnancy) to aid in the diagnosis of fetal abnormalities

"A genetic amniocentesis is recommended in the evaluation of possible TTTS to confirm same sex status and to rule out chromosome abnormalities and fetal infection."

prenatal diagnosis    centesis   

amniocenteses   

electrophoresis    photophoresis